Home / 1,238,634.24-1,709,349.48-755,088.72

Finding the Fourth Proportional to 1,238,634.24, 1,709,349.48 and 755,088.72

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Solution

The fourth proportional to 1,238,634.24, 1,709,349.48 and 755,088.72 is: 1,042,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,634.24 : 1,709,349.48 = 755,088.72 : x
  2. Step 2: Convert to fraction form
    1,238,634.24/1,709,349.48 = 755,088.72/x
  3. Step 3: Cross multiply
    1,238,634.24x = 1,709,349.48 × 755,088.72
  4. Step 4: Simplify right side
    1,238,634.24x = 1,290,710,510,885.87
  5. Step 5: Solve for x
    x = 1,290,710,510,885.87/1,238,634.24
  6. Step 6: Final answer
    x = 1,042,043.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.